,344 Mr. E. Duprey on Jersey Freshwater and Land Shells. 

 Cephalopoda. 



LoUgo vulgaris, Lam. Pens only. 



Sepiola RondeUtii, Leach. 



Sepia oJfi-cinaJis, L. Shells only. 



eh(ja»9, De Blainville. Shells only and broken. 



hiserialis, De Montfort. Imperfect shells. 



Octopus vulgaris, Lam. Common. At La Rocque the heaps of 

 empty shells around the dens of the Octopus are for the greater 

 part composed of Pectunculus open but entire. In stony groiind 

 their hiding-places are often indicated by " debris" of the common 

 green crab, on which they appear to feed. 



FRESHWATER SHELLS. 

 CONCHIFERA. 



Pisiflium foniinaU, Drap. 



pusillum, Gmelin. 



nitidum, Jenyns. 



Gastropoda. 



Phtiorhis lineatus, Walker. 



naut ileus, L. 



alhus, Miill. 



spirorbis, Miill. 



Physa hi/pnorum, L. 



Lirnnea peregra, Miill. 



truncatula, Miill. 



glabra, Miill. 



, var. elongnta. Apex more blunt than in the typical 



form ; living together. 



Ancylus Jluviatilis, Miill. More than once I have found young 

 specimens of this slow mollusk adhering to an active flying 

 water-beetle, the Acilius suhatus. Thus carried from one pond 

 to another, it can be rapidly distributed throughout the countrj^ 



LAND SHELLS. 



Arion ater, L. Zonites cdlarius, Miill. 



liortensis, Fer. alliarius, Miill. 



■ fiavus, Miill. nitidulus, Drap. 



Lirnax marginaius, Drap. radiatulus, Alder. 



Jlaviis, L. nitidus, Miill. 



agrestis, L. crystaUinus, MiiU. 



riutarimus, L. fulvus, Miill. 



Succi'iua putris, L. Helix acideata, Miill. 

 Yitriaapellucida. Miill. aspersa,lil\\\\.. 



